120 lines
4.5 KiB
Python
120 lines
4.5 KiB
Python
# Copyright 2012 OpenStack Foundation
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# All Rights Reserved.
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#
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# Licensed under the Apache License, Version 2.0 (the "License"); you may
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# not use this file except in compliance with the License. You may obtain
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# a copy of the License at
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#
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# http://www.apache.org/licenses/LICENSE-2.0
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#
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# Unless required by applicable law or agreed to in writing, software
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# distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
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# WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
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# License for the specific language governing permissions and limitations
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# under the License.
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import sys
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import six
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import testtools
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from glanceclient.common import utils
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class TestUtils(testtools.TestCase):
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def test_make_size_human_readable(self):
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self.assertEqual("106B", utils.make_size_human_readable(106))
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self.assertEqual("1000kB", utils.make_size_human_readable(1024000))
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self.assertEqual("1MB", utils.make_size_human_readable(1048576))
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self.assertEqual("1.4GB", utils.make_size_human_readable(1476395008))
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self.assertEqual("9.3MB", utils.make_size_human_readable(9761280))
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def test_get_new_file_size(self):
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size = 98304
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file_obj = six.StringIO('X' * size)
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try:
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self.assertEqual(size, utils.get_file_size(file_obj))
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# Check that get_file_size didn't change original file position.
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self.assertEqual(0, file_obj.tell())
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finally:
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file_obj.close()
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def test_get_consumed_file_size(self):
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size, consumed = 98304, 304
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file_obj = six.StringIO('X' * size)
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file_obj.seek(consumed)
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try:
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self.assertEqual(size, utils.get_file_size(file_obj))
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# Check that get_file_size didn't change original file position.
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self.assertEqual(consumed, file_obj.tell())
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finally:
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file_obj.close()
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def test_prettytable(self):
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class Struct:
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def __init__(self, **entries):
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self.__dict__.update(entries)
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# test that the prettytable output is wellformatted (left-aligned)
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columns = ['ID', 'Name']
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val = ['Name1', 'another', 'veeeery long']
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images = [Struct(**{'id': i ** 16, 'name': val[i]})
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for i in range(len(val))]
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saved_stdout = sys.stdout
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try:
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sys.stdout = output_list = six.StringIO()
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utils.print_list(images, columns)
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sys.stdout = output_dict = six.StringIO()
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utils.print_dict({'K': 'k', 'Key': 'veeeeeeeeeeeeeeeeeeeeeeee'
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'eeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeee'
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'eeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeee'
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'eeeeeeeeeeeery long value'},
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max_column_width=60)
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finally:
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sys.stdout = saved_stdout
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self.assertEqual('''\
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+-------+--------------+
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| ID | Name |
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+-------+--------------+
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| | Name1 |
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| 1 | another |
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| 65536 | veeeery long |
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+-------+--------------+
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''',
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output_list.getvalue())
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self.assertEqual('''\
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+----------+--------------------------------------------------------------+
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| Property | Value |
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+----------+--------------------------------------------------------------+
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| K | k |
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| Key | veeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeee |
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| | eeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeee |
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| | ery long value |
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+----------+--------------------------------------------------------------+
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''',
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output_dict.getvalue())
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def test_exception_to_str(self):
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class FakeException(Exception):
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def __str__(self):
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raise UnicodeError()
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ret = utils.exception_to_str(Exception('error message'))
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self.assertEqual('error message', ret)
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ret = utils.exception_to_str(Exception('\xa5 error message'))
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if six.PY2:
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self.assertEqual(' error message', ret)
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else:
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self.assertEqual('\xa5 error message', ret)
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ret = utils.exception_to_str(FakeException('\xa5 error message'))
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self.assertEqual("Caught '%(exception)s' exception." %
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{'exception': 'FakeException'}, ret)
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